framebuffers renderbuffers

[Excelcius]

Hi Everyone

Im currently learning how to code a opengl es game for the iPhone and Im having a great deal of trouble finding information and getting my head around EAGLContext and associated frame buffer and render buffer.

The book I'm working from has a rather pitiful 15 line explanation, which is written in very strong programming terms as opposed to english. and extensive googling has turned up little or nothing.

Can anybody please explain or provide a link to a good tutorial ? Thanks